US Patent No. 10,893,475

ADDRESSES IN A WAKE-UP TRIGGER FRAME


Patent No. 10,893,475
Issue Date January 12, 2021
Title Addresses In A Wake-up Trigger Frame
Inventorship James Randolph Winter Lepp, Ottawa (CA)
Michael Peter Montemurro, Toronto (CA)
Stephen McCann, Southampton (GB)
Assignee BlackBerry Limited, Waterloo (CA)

Claim of US Patent No. 10,893,475

1. A method comprising:receiving, at a wake-up radio of a device and from an access point, a wake-up trigger frame, wherein the wake-up trigger frame includes an identity;
determining whether the identity in the wake-up trigger frame is a unicast receiver identity or a group receiver identity;
in response to determining that the identity in the wake-up trigger frame is the group receiver identity, comparing the group receiver identity with a whitelist, wherein the whitelist comprises a plurality of groupcast addresses that the device intends to wake up for; and
in response to determining that the group receiver identity matches to one of the plurality of groupcast addresses in the whitelist, sending a signal to a primary radio of the device to turn on the primary radio.